helper_test store
+test_expect_success 'when xdg file does not exist, xdg file not created' '
+ test_path_is_missing "$HOME/.config/git/credentials" &&
+ test -s "$HOME/.git-credentials"
+'
+
+test_expect_success 'setup xdg file' '
+ rm -f "$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ >"$HOME/.config/git/credentials"
+'
+
+helper_test store
+
+test_expect_success 'when xdg file exists, home file not created' '
+ test -s "$HOME/.config/git/credentials" &&
+ test_path_is_missing "$HOME/.git-credentials"
+'
+
+test_expect_success 'setup custom xdg file' '
+ rm -f "$HOME/.git-credentials" &&
+ rm -f "$HOME/.config/git/credentials" &&
+ mkdir -p "$HOME/xdg/git" &&
+ >"$HOME/xdg/git/credentials"
+'
+
+XDG_CONFIG_HOME="$HOME/xdg"
+export XDG_CONFIG_HOME
+helper_test store
+unset XDG_CONFIG_HOME
+
+test_expect_success 'if custom xdg file exists, home and xdg files not created' '
+ test_when_finished "rm -f $HOME/xdg/git/credentials" &&
+ test -s "$HOME/xdg/git/credentials" &&
+ test_path_is_missing "$HOME/.git-credentials" &&
+ test_path_is_missing "$HOME/.config/git/credentials"
+'
+
+test_expect_success 'get: use home file if both home and xdg files have matches' '
+ echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+ check fill store <<-\EOF
+ protocol=https
+ host=example.com
+ --
+ protocol=https
+ host=example.com
+ username=home-user
+ password=home-pass
+ --
+ EOF
+'
+
+test_expect_success 'get: use xdg file if home file has no matches' '
+ >"$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+ check fill store <<-\EOF
+ protocol=https
+ host=example.com
+ --
+ protocol=https
+ host=example.com
+ username=xdg-user
+ password=xdg-pass
+ --
+ EOF
+'
+
+test_expect_success POSIXPERM 'get: use xdg file if home file is unreadable' '
+ echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+ chmod -r "$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+ check fill store <<-\EOF
+ protocol=https
+ host=example.com
+ --
+ protocol=https
+ host=example.com
+ username=xdg-user
+ password=xdg-pass
+ --
+ EOF
+'
+
+test_expect_success 'store: if both xdg and home files exist, only store in home file' '
+ >"$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ >"$HOME/.config/git/credentials" &&
+ check approve store <<-\EOF &&
+ protocol=https
+ host=example.com
+ username=store-user
+ password=store-pass
+ EOF
+ echo "https://store-user:store-pass@example.com" >expected &&
+ test_cmp expected "$HOME/.git-credentials" &&
+ test_must_be_empty "$HOME/.config/git/credentials"
+'
+
+
+test_expect_success 'erase: erase matching credentials from both xdg and home files' '
+ echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+ mkdir -p "$HOME/.config/git" &&
+ echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+ check reject store <<-\EOF &&
+ protocol=https
+ host=example.com
+ EOF
+ test_must_be_empty "$HOME/.git-credentials" &&
+ test_must_be_empty "$HOME/.config/git/credentials"
+'
+
test_done